Home / 68,917.57-95,111.30-38,704.67

Finding the Fourth Proportional to 68,917.57, 95,111.30 and 38,704.67

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Solution

The fourth proportional to 68,917.57, 95,111.30 and 38,704.67 is: 53,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,917.57 : 95,111.30 = 38,704.67 : x
  2. Step 2: Convert to fraction form
    68,917.57/95,111.30 = 38,704.67/x
  3. Step 3: Cross multiply
    68,917.57x = 95,111.30 × 38,704.67
  4. Step 4: Simplify right side
    68,917.57x = 3,681,251,804.47
  5. Step 5: Solve for x
    x = 3,681,251,804.47/68,917.57
  6. Step 6: Final answer
    x = 53,415.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.